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Point-to-point fibre converter RS-422/485--WESTERMO
ODW-730-F1
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The ODW-730-F1 has been designed to allow RS-422/485 protocols to be transmitted point-to-point over a fibre optic link. The design allows the use of a range of Westermo verified SFP (Small Form Pluggable) transceivers which can provide solutions with, for example, only a single fibre or distances up to 120 km.

This unit has been designed for industrial use where the requirement is for a long and reliable service life, in a harsh environment. To ensure this reliable operation we manufacture using the highest quality components.

The ODW-730 draws on Westermo’s many years of knowledge of serial protocols and can be used on both synchronous and asynchronous data streams. The switch selectable termination circuit saves the need for external terminating resistors.

The ODW is simple to install, being small, with a simple integral DIN rail clip. The unit is totally transparent to any data rate so no configuration is needed. The comprehensive LEDs provide a quick and easy way of detecting any network problems that may be encountered.

ODW-730-F1

 

Product description
Status Active
Article number 3651-0731
Ports 1 x Detachable screw terminal, Status
1 x RS-422/485
1 x LC Duplex or LC Simplex, FX (Fibre)
Description Point-to-Point Fibre Converter, RS-422/485
Warranty period 5 Years
Reliability prediction
Service life, operating Operating, 10 year
EMC (Electromagnetic Compatibility)
EN 61000-6-1 Immunity residential environments
EN 61000-6-2 Immunity industrial environments
EN 61000-6-3 Emission residential environments
EN 61000-6-4 Emission industrial environments
EN 55022 Emission IT equipment, class A
EN 55024 Immunity IT equipment
FCC part 15 Class A
EN 50121-4 Railway signalling and telecommunications apparatus
IEC 62236-4 Railway signalling and telecommunications apparatus
EMC specifications
EN 61000-4-2, ESD Enclosure contact, ± 6 kV
Enclosure air, ± 8 kV
IEC 61000-4-3, RF field AM modulated Enclosure:
10 V/m 80% AM (1 kHz), 80 – 800 MHz
20 V/m 80% AM (1 kHz), 800 – 1000 MHz
20 V/m 80% AM (1 kHz), 1400 – 2700 MHz
ENV 50204, RF field 900 MHz Enclosure, 20 V/m pulse modulated 200 Hz, 900 ± 5 MHz
EN 61000-4-4, fast transients Signal ports, ± 2 kV
Power ports, ± 2 kV
EN 61000-4-5, surge Signal ports unbalanced, ± 2 kV line to earth, ± 2 kV line to line
Signal ports balanced, ± 2 kV line to earth, ± 1 kV line to line
Power ports, ± 2 kV line to earth, ± 2 kV line to line
EN 61000-4-6, conducted RF immunity Signal ports, 10 V 80% AM (1 kHz), 0.15 – 80 MHz
Power ports, 10 V 80% AM (1 kHz), 0.15 – 80 MHz
EN 61000-4-9, pulsed magnetic field Enclosure, 300 A/m, 6.4 / 16 μs pulse
EN 61000-4-11, Voltage dips and interruption AC power ports:
10 & 5 000 ms, interruption
200 ms, 40% residual voltage
500 ms, 70% residual voltage
EN 61000-4-16, Mains freq. 50 Hz Signal ports, 100 V 50 Hz line to earth
SS 436 15 03, Mains freq. 50 Hz Signal ports, 250 V 50 Hz line to line
EN 55022, radiated RF emission Enclosure, class B
FCC part 15, radiated RF emission Enclosure, class B
EN 55022, conducted emission AC power ports, class B
DC power ports, class A
FCC part 15, conducted emission AC power ports, class B
Safety
Safety UL/CSA/IEC/EN 60950-1, IT equipment
EN 60950-1, dielectric strength Signal port to all other isolated ports, 2 kVrms 50 Hz 1min
Power port to other isolated ports:
3 kVrms 50 Hz 1min
2 kVrms 50 Hz 1min (@ rated power < 60V)
Climatic
Temperature, operating –40 to +70°C (–40 to +158°F)
Temperature, storage –40 to +70°C (–40 to +158°F)
Humidity, operating 5 to 95% relative humidity
Humidity, storage 5 to 95% relative humidity
Enclosure
Enclosure UL 94, PC / ABS, flammability class V-1
Dimensions (W x H x D) 35 x 121 x 119 mm (1.37 x 4.76 x 4.68 in)
Weight 0.26 kg
Degree of protection IP 21
Cooling Convection
Mounting Horizontal on 35 mm DIN-rail
Mechanical
IEC 60068-2-6, vibration Operating:
7.5 mm, 5 – 8 Hz
2 g, 8 – 500 Hz
IEC-60068-2-27, shock Operating, 15 g, 11 ms
Interface specifications, power
Rated voltage 12 to 48 VDC and 24 VAC
Operating voltage 10 to 60 VDC and 20 to 30 VAC
Rated current 300 mA @ 12 V
150 mA @ 24 V
75 mA @ 48 V
Rated frequency DC and 48 to 62 Hz
Inrush current 0.2 A²s
Startup current 1.0 Apeak
Polarity Reverse polarity protected
Redundant power input Yes
Isolation to RS-485 and Status port
Connection Detachable screw terminal
Connector size 0.75 – 2.5 mm² (AWG 18 – 13)
Connect the unit using at least 18 AWG (0.75 mm2) wiring
Shielded cable Not required
Interface specifications, status
Port type Signal relay, changeover contacts
Rated voltage Up to 48 VDC
Operating voltage Up to 60 VDC
Contact rating 500 mA @ 48 VDC
Contact resistance < 50 m Ohm
Isolation to RS-485 and Power port
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm² (AWG 24 – 13)
Shielded cable Not required
Interface specifications, RS-422/485
Electrical specification EIA RS-485, 2-wire or 4-wire twisted pair
Data rate 300 bit/s – 1.5 Mbit/s
Data format 9 – 12 bits
Protocol Start-bit followed by 8-11 bits
Retiming Yes
Turning time One tbit
tbit = 1 / Baud rate (Baud rate in bit/s)
Transmission range < 1200 m, depending on data rate and cable type (EIA RS-485)
Settings 120 Ohm termination and failsafe biasing 680 Ohm
Protection Installation Fault Tolerant (up to ±60 V)
Isolation to Status and Power port
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm² (AWG 24 – 13)
Shielded cable Not required

 

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